.icon-group {
    background-image: url(../images/group.png) !important;
}
.icon-group1 {
    background-image: url(../images/class.gif) !important;
}
.icon-grouptemp {
    background-image: url(../images/grouptemp.gif) !important;
}
.icon-user {
    background-image: url(../images/user.gif) !important;
}

.icon-chk {
    background-image: url(../images/ok.gif) !important;
}

.icon-userfemale {
    background-image: url(../images/user_female.gif) !important;
}